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| 2 | 1 | equemene | <HEAD>
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| 3 | 1 | equemene | <TITLE>HPL_pdinfo HPL 2.0 Library Functions September 10, 2008</TITLE> |
| 4 | 1 | equemene | </HEAD>
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| 5 | 1 | equemene | |
| 6 | 1 | equemene | <BODY BGCOLOR="WHITE" TEXT = "#000000" LINK = "#0000ff" VLINK = "#000099" |
| 7 | 1 | equemene | ALINK = "#ffff00"> |
| 8 | 1 | equemene | |
| 9 | 1 | equemene | <H1>Name</H1> |
| 10 | 1 | equemene | <B>HPL_pdinfo</B> Read input parameter file. |
| 11 | 1 | equemene | |
| 12 | 1 | equemene | <H1>Synopsis</H1> |
| 13 | 1 | equemene | <CODE>#include "hpl.h"</CODE><BR><BR> |
| 14 | 1 | equemene | <CODE>void</CODE> |
| 15 | 1 | equemene | <CODE>HPL_pdinfo(</CODE> |
| 16 | 1 | equemene | <CODE>HPL_T_test *</CODE> |
| 17 | 1 | equemene | <CODE>TEST</CODE>, |
| 18 | 1 | equemene | <CODE>int *</CODE> |
| 19 | 1 | equemene | <CODE>NS</CODE>, |
| 20 | 1 | equemene | <CODE>int *</CODE> |
| 21 | 1 | equemene | <CODE>N</CODE>, |
| 22 | 1 | equemene | <CODE>int *</CODE> |
| 23 | 1 | equemene | <CODE>NBS</CODE>, |
| 24 | 1 | equemene | <CODE>int *</CODE> |
| 25 | 1 | equemene | <CODE>NB</CODE>, |
| 26 | 1 | equemene | <CODE>HPL_T_ORDER *</CODE> |
| 27 | 1 | equemene | <CODE>PMAPPIN</CODE>, |
| 28 | 1 | equemene | <CODE>int *</CODE> |
| 29 | 1 | equemene | <CODE>NPQS</CODE>, |
| 30 | 1 | equemene | <CODE>int *</CODE> |
| 31 | 1 | equemene | <CODE>P</CODE>, |
| 32 | 1 | equemene | <CODE>int *</CODE> |
| 33 | 1 | equemene | <CODE>Q</CODE>, |
| 34 | 1 | equemene | <CODE>int *</CODE> |
| 35 | 1 | equemene | <CODE>NPFS</CODE>, |
| 36 | 1 | equemene | <CODE>HPL_T_FACT *</CODE> |
| 37 | 1 | equemene | <CODE>PF</CODE>, |
| 38 | 1 | equemene | <CODE>int *</CODE> |
| 39 | 1 | equemene | <CODE>NBMS</CODE>, |
| 40 | 1 | equemene | <CODE>int *</CODE> |
| 41 | 1 | equemene | <CODE>NBM</CODE>, |
| 42 | 1 | equemene | <CODE>int *</CODE> |
| 43 | 1 | equemene | <CODE>NDVS</CODE>, |
| 44 | 1 | equemene | <CODE>int *</CODE> |
| 45 | 1 | equemene | <CODE>NDV</CODE>, |
| 46 | 1 | equemene | <CODE>int *</CODE> |
| 47 | 1 | equemene | <CODE>NRFS</CODE>, |
| 48 | 1 | equemene | <CODE>HPL_T_FACT *</CODE> |
| 49 | 1 | equemene | <CODE>RF</CODE>, |
| 50 | 1 | equemene | <CODE>int *</CODE> |
| 51 | 1 | equemene | <CODE>NTPS</CODE>, |
| 52 | 1 | equemene | <CODE>HPL_T_TOP *</CODE> |
| 53 | 1 | equemene | <CODE>TP</CODE>, |
| 54 | 1 | equemene | <CODE>int *</CODE> |
| 55 | 1 | equemene | <CODE>NDHS</CODE>, |
| 56 | 1 | equemene | <CODE>int *</CODE> |
| 57 | 1 | equemene | <CODE>DH</CODE>, |
| 58 | 1 | equemene | <CODE>HPL_T_SWAP *</CODE> |
| 59 | 1 | equemene | <CODE>FSWAP</CODE>, |
| 60 | 1 | equemene | <CODE>int *</CODE> |
| 61 | 1 | equemene | <CODE>TSWAP</CODE>, |
| 62 | 1 | equemene | <CODE>int *</CODE> |
| 63 | 1 | equemene | <CODE>L1NOTRAN</CODE>, |
| 64 | 1 | equemene | <CODE>int *</CODE> |
| 65 | 1 | equemene | <CODE>UNOTRAN</CODE>, |
| 66 | 1 | equemene | <CODE>int *</CODE> |
| 67 | 1 | equemene | <CODE>EQUIL</CODE>, |
| 68 | 1 | equemene | <CODE>int *</CODE> |
| 69 | 1 | equemene | <CODE>ALIGN</CODE> |
| 70 | 1 | equemene | <CODE>);</CODE> |
| 71 | 1 | equemene | |
| 72 | 1 | equemene | <H1>Description</H1> |
| 73 | 1 | equemene | <B>HPL_pdinfo</B> |
| 74 | 1 | equemene | reads the startup information for the various tests and |
| 75 | 1 | equemene | transmits it to all processes. |
| 76 | 1 | equemene | |
| 77 | 1 | equemene | <H1>Arguments</H1> |
| 78 | 1 | equemene | <PRE>
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| 79 | 1 | equemene | TEST (global output) HPL_T_test * |
| 80 | 1 | equemene | On entry, TEST points to a testing data structure. On exit, |
| 81 | 1 | equemene | the fields of this data structure are initialized as follows: |
| 82 | 1 | equemene | TEST->outfp specifies the output file where the results will
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| 83 | 1 | equemene | be printed. It is only defined and used by the process 0 of |
| 84 | 1 | equemene | the grid. TEST->thrsh specifies the threshhold value for the
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| 85 | 1 | equemene | test ratio. TEST->epsil is the relative machine precision of
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| 86 | 1 | equemene | the distributed computer. Finally the test counters, kfail, |
| 87 | 1 | equemene | kpass, kskip, ktest are initialized to zero. |
| 88 | 1 | equemene | </PRE>
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| 89 | 1 | equemene | <PRE>
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| 90 | 1 | equemene | NS (global output) int * |
| 91 | 1 | equemene | On exit, NS specifies the number of different problem sizes |
| 92 | 1 | equemene | to be tested. NS is less than or equal to HPL_MAX_PARAM. |
| 93 | 1 | equemene | </PRE>
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| 94 | 1 | equemene | <PRE>
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| 95 | 1 | equemene | N (global output) int * |
| 96 | 1 | equemene | On entry, N is an array of dimension HPL_MAX_PARAM. On exit, |
| 97 | 1 | equemene | the first NS entries of this array contain the problem sizes |
| 98 | 1 | equemene | to run the code with. |
| 99 | 1 | equemene | </PRE>
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| 100 | 1 | equemene | <PRE>
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| 101 | 1 | equemene | NBS (global output) int * |
| 102 | 1 | equemene | On exit, NBS specifies the number of different distribution |
| 103 | 1 | equemene | blocking factors to be tested. NBS must be less than or equal |
| 104 | 1 | equemene | to HPL_MAX_PARAM. |
| 105 | 1 | equemene | </PRE>
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| 106 | 1 | equemene | <PRE>
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| 107 | 1 | equemene | NB (global output) int * |
| 108 | 1 | equemene | On exit, PMAPPIN specifies the process mapping onto the no- |
| 109 | 1 | equemene | des of the MPI machine configuration. PMAPPIN defaults to |
| 110 | 1 | equemene | row-major ordering. |
| 111 | 1 | equemene | </PRE>
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| 112 | 1 | equemene | <PRE>
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| 113 | 1 | equemene | PMAPPIN (global output) HPL_T_ORDER * |
| 114 | 1 | equemene | On entry, NB is an array of dimension HPL_MAX_PARAM. On exit, |
| 115 | 1 | equemene | the first NBS entries of this array contain the values of the |
| 116 | 1 | equemene | various distribution blocking factors, to run the code with. |
| 117 | 1 | equemene | </PRE>
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| 118 | 1 | equemene | <PRE>
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| 119 | 1 | equemene | NPQS (global output) int * |
| 120 | 1 | equemene | On exit, NPQS specifies the number of different values that |
| 121 | 1 | equemene | can be used for P and Q, i.e., the number of process grids to |
| 122 | 1 | equemene | run the code with. NPQS must be less than or equal to |
| 123 | 1 | equemene | HPL_MAX_PARAM. |
| 124 | 1 | equemene | </PRE>
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| 125 | 1 | equemene | <PRE>
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| 126 | 1 | equemene | P (global output) int * |
| 127 | 1 | equemene | On entry, P is an array of dimension HPL_MAX_PARAM. On exit, |
| 128 | 1 | equemene | the first NPQS entries of this array contain the values of P, |
| 129 | 1 | equemene | the number of process rows of the NPQS grids to run the code |
| 130 | 1 | equemene | with. |
| 131 | 1 | equemene | </PRE>
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| 132 | 1 | equemene | <PRE>
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| 133 | 1 | equemene | Q (global output) int * |
| 134 | 1 | equemene | On entry, Q is an array of dimension HPL_MAX_PARAM. On exit, |
| 135 | 1 | equemene | the first NPQS entries of this array contain the values of Q, |
| 136 | 1 | equemene | the number of process columns of the NPQS grids to run the |
| 137 | 1 | equemene | code with. |
| 138 | 1 | equemene | </PRE>
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| 139 | 1 | equemene | <PRE>
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| 140 | 1 | equemene | NPFS (global output) int * |
| 141 | 1 | equemene | On exit, NPFS specifies the number of different values that |
| 142 | 1 | equemene | can be used for PF : the panel factorization algorithm to run |
| 143 | 1 | equemene | the code with. NPFS is less than or equal to HPL_MAX_PARAM. |
| 144 | 1 | equemene | </PRE>
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| 145 | 1 | equemene | <PRE>
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| 146 | 1 | equemene | PF (global output) HPL_T_FACT * |
| 147 | 1 | equemene | On entry, PF is an array of dimension HPL_MAX_PARAM. On exit, |
| 148 | 1 | equemene | the first NPFS entries of this array contain the various |
| 149 | 1 | equemene | panel factorization algorithms to run the code with. |
| 150 | 1 | equemene | </PRE>
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| 151 | 1 | equemene | <PRE>
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| 152 | 1 | equemene | NBMS (global output) int * |
| 153 | 1 | equemene | On exit, NBMS specifies the number of various recursive |
| 154 | 1 | equemene | stopping criteria to be tested. NBMS must be less than or |
| 155 | 1 | equemene | equal to HPL_MAX_PARAM. |
| 156 | 1 | equemene | </PRE>
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| 157 | 1 | equemene | <PRE>
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| 158 | 1 | equemene | NBM (global output) int * |
| 159 | 1 | equemene | On entry, NBM is an array of dimension HPL_MAX_PARAM. On |
| 160 | 1 | equemene | exit, the first NBMS entries of this array contain the values |
| 161 | 1 | equemene | of the various recursive stopping criteria to be tested. |
| 162 | 1 | equemene | </PRE>
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| 163 | 1 | equemene | <PRE>
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| 164 | 1 | equemene | NDVS (global output) int * |
| 165 | 1 | equemene | On exit, NDVS specifies the number of various numbers of |
| 166 | 1 | equemene | panels in recursion to be tested. NDVS is less than or equal |
| 167 | 1 | equemene | to HPL_MAX_PARAM. |
| 168 | 1 | equemene | </PRE>
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| 169 | 1 | equemene | <PRE>
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| 170 | 1 | equemene | NDV (global output) int * |
| 171 | 1 | equemene | On entry, NDV is an array of dimension HPL_MAX_PARAM. On |
| 172 | 1 | equemene | exit, the first NDVS entries of this array contain the values |
| 173 | 1 | equemene | of the various numbers of panels in recursion to be tested. |
| 174 | 1 | equemene | </PRE>
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| 175 | 1 | equemene | <PRE>
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| 176 | 1 | equemene | NRFS (global output) int * |
| 177 | 1 | equemene | On exit, NRFS specifies the number of different values that |
| 178 | 1 | equemene | can be used for RF : the recursive factorization algorithm to |
| 179 | 1 | equemene | be tested. NRFS is less than or equal to HPL_MAX_PARAM. |
| 180 | 1 | equemene | </PRE>
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| 181 | 1 | equemene | <PRE>
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| 182 | 1 | equemene | RF (global output) HPL_T_FACT * |
| 183 | 1 | equemene | On entry, RF is an array of dimension HPL_MAX_PARAM. On exit, |
| 184 | 1 | equemene | the first NRFS entries of this array contain the various |
| 185 | 1 | equemene | recursive factorization algorithms to run the code with. |
| 186 | 1 | equemene | </PRE>
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| 187 | 1 | equemene | <PRE>
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| 188 | 1 | equemene | NTPS (global output) int * |
| 189 | 1 | equemene | On exit, NTPS specifies the number of different values that |
| 190 | 1 | equemene | can be used for the broadcast topologies to be tested. NTPS |
| 191 | 1 | equemene | is less than or equal to HPL_MAX_PARAM. |
| 192 | 1 | equemene | </PRE>
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| 193 | 1 | equemene | <PRE>
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| 194 | 1 | equemene | TP (global output) HPL_T_TOP * |
| 195 | 1 | equemene | On entry, TP is an array of dimension HPL_MAX_PARAM. On exit, |
| 196 | 1 | equemene | the first NTPS entries of this array contain the various |
| 197 | 1 | equemene | broadcast (along rows) topologies to run the code with. |
| 198 | 1 | equemene | </PRE>
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| 199 | 1 | equemene | <PRE>
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| 200 | 1 | equemene | NDHS (global output) int * |
| 201 | 1 | equemene | On exit, NDHS specifies the number of different values that |
| 202 | 1 | equemene | can be used for the lookahead depths to be tested. NDHS is |
| 203 | 1 | equemene | less than or equal to HPL_MAX_PARAM. |
| 204 | 1 | equemene | </PRE>
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| 205 | 1 | equemene | <PRE>
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| 206 | 1 | equemene | DH (global output) int * |
| 207 | 1 | equemene | On entry, DH is an array of dimension HPL_MAX_PARAM. On |
| 208 | 1 | equemene | exit, the first NDHS entries of this array contain the values |
| 209 | 1 | equemene | of lookahead depths to run the code with. Such a value is at |
| 210 | 1 | equemene | least 0 (no-lookahead) or greater than zero. |
| 211 | 1 | equemene | </PRE>
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| 212 | 1 | equemene | <PRE>
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| 213 | 1 | equemene | FSWAP (global output) HPL_T_SWAP * |
| 214 | 1 | equemene | On exit, FSWAP specifies the swapping algorithm to be used in |
| 215 | 1 | equemene | all tests. |
| 216 | 1 | equemene | </PRE>
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| 217 | 1 | equemene | <PRE>
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| 218 | 1 | equemene | TSWAP (global output) int * |
| 219 | 1 | equemene | On exit, TSWAP specifies the swapping threshold as a number |
| 220 | 1 | equemene | of columns when the mixed swapping algorithm was chosen. |
| 221 | 1 | equemene | </PRE>
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| 222 | 1 | equemene | <PRE>
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| 223 | 1 | equemene | L1NOTRA (global output) int * |
| 224 | 1 | equemene | On exit, L1NOTRAN specifies whether the upper triangle of the |
| 225 | 1 | equemene | panels of columns should be stored in no-transposed form |
| 226 | 1 | equemene | (L1NOTRAN=1) or in transposed form (L1NOTRAN=0). |
| 227 | 1 | equemene | </PRE>
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| 228 | 1 | equemene | <PRE>
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| 229 | 1 | equemene | UNOTRAN (global output) int * |
| 230 | 1 | equemene | On exit, UNOTRAN specifies whether the panels of rows should |
| 231 | 1 | equemene | be stored in no-transposed form (UNOTRAN=1) or transposed |
| 232 | 1 | equemene | form (UNOTRAN=0) during their broadcast. |
| 233 | 1 | equemene | </PRE>
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| 234 | 1 | equemene | <PRE>
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| 235 | 1 | equemene | EQUIL (global output) int * |
| 236 | 1 | equemene | On exit, EQUIL specifies whether equilibration during the |
| 237 | 1 | equemene | swap-broadcast of the panel of rows should be performed |
| 238 | 1 | equemene | (EQUIL=1) or not (EQUIL=0). |
| 239 | 1 | equemene | </PRE>
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| 240 | 1 | equemene | <PRE>
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| 241 | 1 | equemene | ALIGN (global output) int * |
| 242 | 1 | equemene | On exit, ALIGN specifies the alignment of the dynamically |
| 243 | 1 | equemene | allocated buffers in double precision words. ALIGN is greater |
| 244 | 1 | equemene | than zero. |
| 245 | 1 | equemene | </PRE>
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| 246 | 1 | equemene | |
| 247 | 1 | equemene | <H1>See Also</H1> |
| 248 | 1 | equemene | <A HREF="HPL_pddriver.html">HPL_pddriver</A>, |
| 249 | 1 | equemene | <A HREF="HPL_pdtest.html">HPL_pdtest</A>. |
| 250 | 1 | equemene | |
| 251 | 1 | equemene | </BODY>
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| 252 | 1 | equemene | </HTML> |